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2022
3516

The First Lisp Compiler

This page examines the earliest surviving Lisp compiler, written by Timothy Hart and Michael Levin around 1961. To avoid repetition of phrases like “the compiler”, we will use the abbreviation “ HLC ” (for “Hart–Levin Compiler”) to refer to it. The HLC was introduced in M.I.T. AIM -039 and documented more fully in the…

3539

The Scaling Hypothesis (2021)

On GPT-3: meta-learning, scaling, implications, and deep theory. The scaling hypothesis: neural nets absorb data & compute, generalizing and becoming more Bayesian as problems get harder, manifesting new abilities even at trivial-by-global-standards-scale. The deep learning revolution has begun as foretold.